256 



ON SOME N.S.W. TAN-SUBSTANCES. 



TABLE I.— LEAVES. 



No. 



Species. 



Percentage 

 of Extract. 



1 



E. melliodora 



49-8 



2 



E. hsemastoma 



47-19 



3 



E. arnygdalina (Bombala) ... 



44-24 



4 



E. Stuartiana ... 



42-74 



5 



E. stellulata 



42-14 



6 



E. obliqua 



41-13 



1 



E. Gunnii (Delegate)... 



41-08 



8 



E. rostrata 



40-8 



9 



E. Gunnii (Bombala)... 



40-61 



10 



E. viminalis, var. 



40-59 



11 



E. odorata, var. 



40-19 



12 



E. macrorrhyncha 



40-18 



13 



A. vestita 



40-18 



14 



E. corymbosa ... 



36-72 



15 



E. robusta 



347 



16 



E. piperita, var. ... 



34-08 



17 



E. Sieberiana ... 



32-31 



18 



E. arnygdalina (Nelligen) 



32-13 



19 



A. glaucescens ... 



30-96 



20 



E. polyanthemos 



29-69 



21 



E. maeulata 



28-32 



22 



A. melanoxylon 



23-22 



23 



E. siderophloia 



22-93 



24 



A. longifolia 



21-55 



TABLE IT.— LEAVES. 



No. 



Species. 



Percentage of 

 Tannic Acid. 



1 



E. corymbosa 



18-377 



2 



E. obliqua 



17-2 



3 



E. stellulata 



16-62 



4 



E. Gunnii (Bombala)... 



16-59 



5 



A. vestita 



15-18 



6 



E. piperita, var. 



12-59 



7 



E. robusta 



12-069 



8 



E. hsernastoma ... 



11-27 



9 



E. Stuartiana ... ... 



10-158 



10 



E. macrorrhyncha 



10-13 



11 



E. arnygdalina (Bombala) ... 



8-75 



12 



E. Gunnii (Delegate) .. 



8-28 



13 



E. melliodora ... 



7-89 



14 



E. odorata, var. 



6-775 



15 



E. rostrata 



6-62 



16 



E. siderophloia 



5-95 



17 



E. maeulata 



5-263 



18 



E. viminalis 



3-998 



19 



A. melanoxylon 



3-382 



20 



A. glaucescens 



2-874 



21 



E. sieberiana ... 



2-3S9 



22 



A. longifolia 



1-932 



23 



E. polyanthemos 



1-881 



24 



E. arnygdalina (Nelligen) ... 



1-815 



